Home / 507,199,436.84-760,268,211.71-212,263,549.04

Finding the Fourth Proportional to 507,199,436.84, 760,268,211.71 and 212,263,549.04

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Solution

The fourth proportional to 507,199,436.84, 760,268,211.71 and 212,263,549.04 is: 318,173,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,199,436.84 : 760,268,211.71 = 212,263,549.04 : x
  2. Step 2: Convert to fraction form
    507,199,436.84/760,268,211.71 = 212,263,549.04/x
  3. Step 3: Cross multiply
    507,199,436.84x = 760,268,211.71 × 212,263,549.04
  4. Step 4: Simplify right side
    507,199,436.84x = 161,377,228,840,698,048
  5. Step 5: Solve for x
    x = 161,377,228,840,698,048/507,199,436.84
  6. Step 6: Final answer
    x = 318,173,123.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.